Question 7:
In diagram below, AEC is a right-angled triangle with an area of 54 cm2 and BCDF is a rectangle.
Calculate
(a) the perimeter, in cm, of the coloured region.
(b) the area, in cm2, of the coloured region.
Solution:
In diagram below, AEC is a right-angled triangle with an area of 54 cm2 and BCDF is a rectangle.
![](http://pt3mathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/6/2018/09/Picture4.png)
(a) the perimeter, in cm, of the coloured region.
(b) the area, in cm2, of the coloured region.
Solution:
Question 8:
Diagram below shows a trapezium ABCDE. ABGF is a square with an area of 36 cm2.
![](http://pt3mathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/6/2018/09/Picture3.png)
Calculate
(a) the perimeter, in cm, of the coloured region.
(b) the area, in cm2, of the coloured region.
Solution:
![](http://pt3mathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/6/2018/09/Picture5-1.png)
Diagram below shows a trapezium ABCDE. ABGF is a square with an area of 36 cm2.
![](http://pt3mathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/6/2018/09/Picture3.png)
Calculate
(a) the perimeter, in cm, of the coloured region.
(b) the area, in cm2, of the coloured region.
Solution:
![](http://pt3mathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/6/2018/09/Picture5-1.png)
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